package com.lagou.edu.service.impl;

import com.lagou.edu.annotation.Autowired;
import com.lagou.edu.annotation.Service;
import com.lagou.edu.dao.AccountDao;
import com.lagou.edu.pojo.Account;
import com.lagou.edu.service.TransferService;

@Service
public class TransferServiceImpl implements TransferService {

    @Autowired
    private AccountDao accountDao;

    public void setAccountDao(AccountDao accountDao) {
        this.accountDao = accountDao;
    }

    /**
     * 进行转账功能
     * @param fromCardNo 转账方
     * @param toCardNo 收款方
     * @param money 转账金额
     * @throws Exception
     */
    @Override
    public void transfer(String fromCardNo, String toCardNo, int money) throws Exception {
        Account from = accountDao.queryAccountByCardNo(fromCardNo);
        Account to = accountDao.queryAccountByCardNo(toCardNo);

        from.setMoney(from.getMoney()-money);
        to.setMoney(to.getMoney()+money);

        accountDao.updateAccountByCardNo(from);
        int c = 1/0;
        accountDao.updateAccountByCardNo(to);
    }
}
